CN105385342A - Aqueous weather-resisting polysiloxane coating - Google Patents
Aqueous weather-resisting polysiloxane coating Download PDFInfo
- Publication number
- CN105385342A CN105385342A CN201510828245.8A CN201510828245A CN105385342A CN 105385342 A CN105385342 A CN 105385342A CN 201510828245 A CN201510828245 A CN 201510828245A CN 105385342 A CN105385342 A CN 105385342A
- Authority
- CN
- China
- Prior art keywords
- parts
- component
- water
- weather
- resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses aqueous weather-resisting polysiloxane coating. The aqueous weather-resisting polysiloxane coating is composed of a component A and a component B, wherein the weight ratio of the component A to the component B is 10 to (0.5 to 1.5); the component A is prepared from the following raw materials in parts by weight: 20 to 40 parts of modified polysiloxane resin, 15 to 30 parts of aqueous fluorocarbon resin, 5 to 20 parts of aqueous weather-resisting alicyclic epoxy resin, 5 to 15 parts of precipitated barium sulfate, 5 to 10 parts of calcined kaolin, 15 to 30 parts of nano material, 1 to 2 parts of hydroxypropyl methyl cellulose, 1 to 2 parts of de-foaming agent, 1 to 2 parts of wetting agent, 1 to 2 parts of dispersant, 1 to 2 parts of flatting agent and 15 to 30 parts of water; the component B is prepared from the following raw materials in parts by weight: 5 to 10 parts of aqueous polyurethane curing agent, 1 to 4 parts of aminosilane curing agent, 10 to 18 parts of propylene glycol monomethyl ether acetate and 0.2 to 0.8 parts of catalyst. The aqueous weather-resisting polysiloxane coating is environmentally friendly and has excellent adhering force and antiseptic property, and long service life.
Description
Technical field
The present invention relates to polysiloxane coating materials technical field, particularly relate to the weather-proof polysiloxane coating materials of a kind of water-based.
Background technology
Current in steel construction, the rust proof paint used on the one hand mostly is solvent-borne type anticorrosive coating, it contains a large amount of organic solvents and can discharge in production and construction process, harm can be produced to the health of staff, and contaminate environment, on the other hand in Bridge Steel structure product, owing to being subject to construction environment, workpiece surface process, the impact of the reasons such as product environment for use, generally all there is poor adhesive force in the protective system used, preservative property are bad, the defect that work-ing life is short, Bridge Steel structure is caused to there is larger potential safety hazard, cause loss and the waste of serious man power and material.
Summary of the invention
The present invention proposes the weather-proof polysiloxane coating materials of a kind of water-based, environmental protection, sticking power, antiseptic property are excellent, long service life.
The weather-proof polysiloxane coating materials of a kind of water-based that the present invention proposes, be made up of component A and B component, the weight ratio of component A and B component is 10:0.5-1.5;
The raw material of component A comprises by weight: modified polysiloxane resin 20-40 part, water-based fluorocarbon resin 15-30 part, water-based weathering resistance cycloaliphatic epoxy resin 5-20 part, process white 5-15 part, calcined kaolin 5-10 part, nano material 15-30 part, Vltra tears 1-2 part, defoamer 1-2 part, wetting agent 1-2 part, dispersion agent 1-2 part, flow agent 1-2 part, water 15-30 part;
The raw material of B component comprises by weight: water-based polyurethane curing agent 5-10 part, aminosilane hardener 1-4 part, 1-Methoxy-2-propyl acetate 10-18 part, catalyzer 0.2-0.8 part.
Preferably, nano material is made up of with the weight ratio of 1:1-2:0.5-1.5 nano titanium oxide, nano silicon, CNT (carbon nano-tube).
Preferably, in B component, catalyzer is made up of with the weight ratio of 1-2:0.5-3:1-3:1-2:0.5-2.5 dibutyltin diacetate, bismuth naphthenate, manganese octoate, acetopyruvic acid vanadium, tin protochloride.
Preferably, film coalescence aid is made up of one or more of Lauryl Alcohol ester, propylene glycol phenylate and phenylcarbinol.
Preferably; modified polysiloxane resin adopts following technique to prepare: by weight by 20-40 part containing hydrogen silicone oil, 10-15 part polyethers, 50-100 part toluene stirred under nitrogen atmosphere; whipping temp is 120-140 DEG C; churning time is 10-20h; and then the mixture of 5-10 part silane coupling agent, 0.5-1.5 part cesium nitrate under whipped state, is added with the speed of 0.1-0.15 part/min; add completely and continue to stir 1-2h, obtain modified polysiloxane resin.
Preferably, in component A, the weight ratio of modified polysiloxane resin, water-based fluorocarbon resin, water-based weathering resistance cycloaliphatic epoxy resin is 30-36:20-24:10-13.
Preferably, in B component, the weight ratio of water-based polyurethane curing agent, aminosilane hardener is 6-8:2-2.8.
Preferably, be made up of component A and B component, the weight ratio of component A and B component is 10:0.8-1;
The raw material of component A comprises by weight: modified polysiloxane resin 30-36 part, water-based fluorocarbon resin 20-24 part, water-based weathering resistance cycloaliphatic epoxy resin 10-13 part, process white 10-12 part, calcined kaolin 6-8 part, nano material 20-24 part, Vltra tears 1.4-1.8 part, defoamer 1.5-1.8 part, wetting agent 1.4-1.6 part, dispersion agent 1.2-1.5 part, flow agent 1.5-1.8 part, water 16-24 part;
The raw material of B component comprises by weight: water-based polyurethane curing agent 6-8 part, aminosilane hardener 2-2.8 part, 1-Methoxy-2-propyl acetate 12-15 part, catalyzer 0.4-0.6 part.
In the present invention, in modified polysiloxane resin, through polyethers, silane coupling agent, cesium nitrate modification, surface energy is high, after crosslinking curing, film density, preservative property and sticking power are all very excellent, strengthen obviously, greatly increase the service life with act synergistically erosion resistance and ultraviolet-resistant aging ability of water-based fluorocarbon resin, water-based weathering resistance cycloaliphatic epoxy resin; The nano material particle diameter added is little, and surface energy is high, after solidifying with process white, calcined kaolin and Vltra tears are collaborative, fabulous to ultraviolet screener effect, anti-ultraviolet ageing performance is excellent, fabulous to the sticking power of ground, coating long service life; Water-based polyurethane curing agent, aminosilane and modified polysiloxane resin, water-based fluorocarbon resin, the reacting to each other of water-based weathering resistance cycloaliphatic epoxy resin, normal temperature and curable film-forming, not only reduce energy consumption, is particularly suitable for the requirement for anticorrosion of Bridge Steel structure.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
The weather-proof polysiloxane coating materials of a kind of water-based, be made up of component A and B component, the weight ratio of component A and B component is 10:0.5;
The raw material of component A comprises by weight: modified polysiloxane resin 40 parts, water-based fluorocarbon resin 15 parts, water-based weathering resistance cycloaliphatic epoxy resin 20 parts, process white 5 parts, calcined kaolin 10 parts, nano material 15 parts, Vltra tears 2 parts, defoamer 1 part, wetting agent 2 parts, dispersion agent 1 part, flow agent 2 parts, 15 parts, water;
The raw material of B component comprises by weight: water-based polyurethane curing agent 10 parts, aminosilane hardener 1 part, 1-Methoxy-2-propyl acetate 18 parts, catalyzer 0.2 part.
Embodiment 2
The weather-proof polysiloxane coating materials of a kind of water-based, be made up of component A and B component, the weight ratio of component A and B component is 10:1.5;
The raw material of component A comprises by weight: modified polysiloxane resin 20 parts, water-based fluorocarbon resin 30 parts, water-based weathering resistance cycloaliphatic epoxy resin 5 parts, process white 15 parts, calcined kaolin 5 parts, nano material 30 parts, Vltra tears 1 part, defoamer 2 parts, wetting agent 1 part, dispersion agent 2 parts, flow agent 1 part, 30 parts, water;
The raw material of B component comprises by weight: water-based polyurethane curing agent 5 parts, aminosilane hardener 4 parts, 1-Methoxy-2-propyl acetate 10 parts, catalyzer 0.8 part.
Embodiment 3
The weather-proof polysiloxane coating materials of a kind of water-based, be made up of component A and B component, the weight ratio of component A and B component is 10:1;
The raw material of component A comprises by weight: modified polysiloxane resin 30 parts, water-based fluorocarbon resin 24 parts, water-based weathering resistance cycloaliphatic epoxy resin 10 parts, process white 12 parts, calcined kaolin 6 parts, nano material 24 parts, Vltra tears 1.4 parts, defoamer 1.8 parts, wetting agent 1.4 parts, dispersion agent 1.5, flow agent 1.5 parts, 24 parts, water;
The raw material of B component comprises by weight: water-based polyurethane curing agent 6 parts, aminosilane hardener 2.8 parts, 1-Methoxy-2-propyl acetate 12 parts, catalyzer 0.6 part.
Nano material is made up of with the weight ratio of 1:1:1.5 nano titanium oxide, nano silicon, CNT (carbon nano-tube).
Modified polysiloxane resin adopts following technique to prepare: by weight by 20 parts of containing hydrogen silicone oils, 15 parts of polyethers, 50 parts of toluene stirred under nitrogen atmosphere; whipping temp is 140 DEG C; churning time is 10h; and then the mixture of 5 parts of silane coupling agents, 1.5 parts of cesium nitrates under whipped state, is added with the speed of 0.15 part/min; add completely and continue to stir 1h, obtain modified polysiloxane resin.
Embodiment 4
The weather-proof polysiloxane coating materials of a kind of water-based, be made up of component A and B component, the weight ratio of component A and B component is 10:0.8;
The raw material of component A comprises by weight: modified polysiloxane resin 36 parts, water-based fluorocarbon resin 20 parts, water-based weathering resistance cycloaliphatic epoxy resin 13 parts, process white 10 parts, calcined kaolin 8 parts, nano material 20 parts, Vltra tears 1.8 parts, defoamer 1.5 parts, wetting agent 1.6 parts, dispersion agent 1.2 parts, flow agent 1.8 parts, 16 parts, water;
The raw material of B component comprises by weight: water-based polyurethane curing agent 8 parts, aminosilane hardener 2 parts, 1-Methoxy-2-propyl acetate 15 parts, catalyzer 0.4 part.
Nano material is made up of with the weight ratio of 1:2:0.5 nano titanium oxide, nano silicon, CNT (carbon nano-tube).
Modified polysiloxane resin adopts following technique to prepare: by weight by 40 parts of containing hydrogen silicone oils, 10 parts of polyethers, 100 parts of toluene stirred under nitrogen atmosphere; whipping temp is 120 DEG C; churning time is 20h; and then the mixture of 10 parts of silane coupling agents, 0.5 part of cesium nitrate under whipped state, is added with the speed of 0.1 part/min; add completely and continue to stir 2h, obtain modified polysiloxane resin.
Embodiment 5
The weather-proof polysiloxane coating materials of a kind of water-based, be made up of component A and B component, the weight ratio of component A and B component is 10:0.95;
The raw material of component A comprises by weight: modified polysiloxane resin 34 parts, water-based fluorocarbon resin 22 parts, water-based weathering resistance cycloaliphatic epoxy resin 12 parts, process white 11.5 parts, calcined kaolin 7.6 parts, nano material 22 parts, Vltra tears 1.56 parts, defoamer 1.66 parts, wetting agent 1.5 parts, dispersion agent 1.45 parts, flow agent 1.6 parts, 21 parts, water;
The raw material of B component comprises by weight: water-based polyurethane curing agent 7.2 parts, aminosilane hardener 2.4 parts, 1-Methoxy-2-propyl acetate 13 parts, catalyzer 0.5 part.
Nano material is made up of with the weight ratio of 1:0.95:1.2 nano titanium oxide, nano silicon, CNT (carbon nano-tube).
Modified polysiloxane resin adopts following technique to prepare: by weight by 36 parts of containing hydrogen silicone oils, 13 parts of polyethers, 86 parts of toluene stirred under nitrogen atmosphere; whipping temp is 135 DEG C; churning time is 16h; and then the mixture of 8 parts of silane coupling agents, 1.2 parts of cesium nitrates under whipped state, is added with the speed of 0.12 part/min; add completely and continue to stir 1.5h, obtain modified polysiloxane resin.
Measure the performance of the weather-proof polysiloxane coating materials of above-mentioned water-based, testing standard is: surface drying time GBT1728-1979; Water tolerance JGT26-2002; Resistance to acids and bases GBT9265-1988; Abrasion resistance (secondary) GBT9266-1988, result is as follows:
| Test event | Technical requirements | Test result |
| Condition in container | Without caking after stirring, in uniform state | Meet the requirements |
| Surface drying time | ≤2h | 0.5h |
| Water tolerance | 168h bubble-free, crackle | Meet the requirements |
| Resistance to acids and bases | 168h bubble-free, crackle | Meet the requirements |
| Abrasion resistance (secondary) | ≥1000 | ≥1000 |
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (8)
1. the weather-proof polysiloxane coating materials of water-based, is characterized in that, is made up of component A and B component, and the weight ratio of component A and B component is 10:0.5-1.5;
The raw material of component A comprises by weight: modified polysiloxane resin 20-40 part, water-based fluorocarbon resin 15-30 part, water-based weathering resistance cycloaliphatic epoxy resin 5-20 part, process white 5-15 part, calcined kaolin 5-10 part, nano material 15-30 part, Vltra tears 1-2 part, defoamer 1-2 part, wetting agent 1-2 part, dispersion agent 1-2 part, flow agent 1-2 part, water 15-30 part;
The raw material of B component comprises by weight: water-based polyurethane curing agent 5-10 part, aminosilane hardener 1-4 part, 1-Methoxy-2-propyl acetate 10-18 part, catalyzer 0.2-0.8 part.
2. the weather-proof polysiloxane coating materials of water-based according to claim 1, is characterized in that, nano material is made up of with the weight ratio of 1:1-2:0.5-1.5 nano titanium oxide, nano silicon, CNT (carbon nano-tube).
3. the weather-proof polysiloxane coating materials of water-based according to claim 1 and 2, it is characterized in that, in B component, catalyzer is made up of with the weight ratio of 1-2:0.5-3:1-3:1-2:0.5-2.5 dibutyltin diacetate, bismuth naphthenate, manganese octoate, acetopyruvic acid vanadium, tin protochloride.
4. the weather-proof polysiloxane coating materials of the water-based according to any one of claim 1-3, is characterized in that, film coalescence aid is made up of one or more of Lauryl Alcohol ester, propylene glycol phenylate and phenylcarbinol.
5. the weather-proof polysiloxane coating materials of the water-based according to any one of claim 1-4; it is characterized in that; modified polysiloxane resin adopts following technique to prepare: by weight by 20-40 part containing hydrogen silicone oil, 10-15 part polyethers, 50-100 part toluene stirred under nitrogen atmosphere; whipping temp is 120-140 DEG C; churning time is 10-20h; and then the mixture of 5-10 part silane coupling agent, 0.5-1.5 part cesium nitrate under whipped state, is added with the speed of 0.1-0.15 part/min; add completely and continue to stir 1-2h, obtain modified polysiloxane resin.
6. the weather-proof polysiloxane coating materials of the water-based according to any one of claim 1-5, is characterized in that, in component A, the weight ratio of modified polysiloxane resin, water-based fluorocarbon resin, water-based weathering resistance cycloaliphatic epoxy resin is 30-36:20-24:10-13.
7. the weather-proof polysiloxane coating materials of the water-based according to any one of claim 1-6, is characterized in that, in B component, the weight ratio of water-based polyurethane curing agent, aminosilane hardener is 6-8:2-2.8.
8. the weather-proof polysiloxane coating materials of the water-based according to any one of claim 1-7, is characterized in that, is made up of component A and B component, and the weight ratio of component A and B component is 10:0.8-1;
The raw material of component A comprises by weight: modified polysiloxane resin 30-36 part, water-based fluorocarbon resin 20-24 part, water-based weathering resistance cycloaliphatic epoxy resin 10-13 part, process white 10-12 part, calcined kaolin 6-8 part, nano material 20-24 part, Vltra tears 1.4-1.8 part, defoamer 1.5-1.8 part, wetting agent 1.4-1.6 part, dispersion agent 1.2-1.5 part, flow agent 1.5-1.8 part, water 16-24 part;
The raw material of B component comprises by weight: water-based polyurethane curing agent 6-8 part, aminosilane hardener 2-2.8 part, 1-Methoxy-2-propyl acetate 12-15 part, catalyzer 0.4-0.6 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510828245.8A CN105385342A (en) | 2015-11-24 | 2015-11-24 | Aqueous weather-resisting polysiloxane coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510828245.8A CN105385342A (en) | 2015-11-24 | 2015-11-24 | Aqueous weather-resisting polysiloxane coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105385342A true CN105385342A (en) | 2016-03-09 |
Family
ID=55418140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510828245.8A Pending CN105385342A (en) | 2015-11-24 | 2015-11-24 | Aqueous weather-resisting polysiloxane coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105385342A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106280981A (en) * | 2016-08-16 | 2017-01-04 | 李长虹 | A kind of weatherability coating |
| CN106867406A (en) * | 2017-04-21 | 2017-06-20 | 四川纳诺科技有限公司 | The preparation method of the new environment-friendly type coating based on nano material |
| CN106978070A (en) * | 2017-04-21 | 2017-07-25 | 四川纳诺科技有限公司 | A kind of environment-friendly type coating based on nano material |
| CN108753023A (en) * | 2018-06-26 | 2018-11-06 | 常州穗时新材料有限公司 | A kind of organosilicon ceramic coating and preparation method |
| CN109096893A (en) * | 2018-07-17 | 2018-12-28 | 合肥尚强电气科技有限公司 | A kind of weather-resistant coating preparation method of cable |
| CN113402916A (en) * | 2021-06-30 | 2021-09-17 | 谢立华 | Method for preparing special coating for gold steel porcelain coating |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358106A (en) * | 2008-09-25 | 2009-02-04 | 武汉工程大学 | Anti-icing nano composite paint and application |
| CN102277083A (en) * | 2011-06-09 | 2011-12-14 | 东莞上海大学纳米技术研究院 | Preparation method of nanometer composite epoxy polysiloxane coating solidified at room temperature and coating |
| CN103360021A (en) * | 2013-06-27 | 2013-10-23 | 中科院广州化学有限公司 | Hydrous silane coupling agent-polyether grafted polysiloxane polymer coating |
| CN104497736A (en) * | 2014-12-16 | 2015-04-08 | 深圳市东维丰电子科技股份有限公司 | Double-component transparent glass thermal-insulating coating and preparation method thereof |
| CN105062308A (en) * | 2015-08-05 | 2015-11-18 | 天长市开林化工有限公司 | Heatproof corrosion-resistant aqueous epoxy resin coating for ships |
-
2015
- 2015-11-24 CN CN201510828245.8A patent/CN105385342A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358106A (en) * | 2008-09-25 | 2009-02-04 | 武汉工程大学 | Anti-icing nano composite paint and application |
| CN102277083A (en) * | 2011-06-09 | 2011-12-14 | 东莞上海大学纳米技术研究院 | Preparation method of nanometer composite epoxy polysiloxane coating solidified at room temperature and coating |
| CN103360021A (en) * | 2013-06-27 | 2013-10-23 | 中科院广州化学有限公司 | Hydrous silane coupling agent-polyether grafted polysiloxane polymer coating |
| CN104497736A (en) * | 2014-12-16 | 2015-04-08 | 深圳市东维丰电子科技股份有限公司 | Double-component transparent glass thermal-insulating coating and preparation method thereof |
| CN105062308A (en) * | 2015-08-05 | 2015-11-18 | 天长市开林化工有限公司 | Heatproof corrosion-resistant aqueous epoxy resin coating for ships |
Non-Patent Citations (1)
| Title |
|---|
| 林尚安等: "《高分子化学》", 30 November 1998, 科学出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106280981A (en) * | 2016-08-16 | 2017-01-04 | 李长虹 | A kind of weatherability coating |
| CN106867406A (en) * | 2017-04-21 | 2017-06-20 | 四川纳诺科技有限公司 | The preparation method of the new environment-friendly type coating based on nano material |
| CN106978070A (en) * | 2017-04-21 | 2017-07-25 | 四川纳诺科技有限公司 | A kind of environment-friendly type coating based on nano material |
| CN108753023A (en) * | 2018-06-26 | 2018-11-06 | 常州穗时新材料有限公司 | A kind of organosilicon ceramic coating and preparation method |
| CN109096893A (en) * | 2018-07-17 | 2018-12-28 | 合肥尚强电气科技有限公司 | A kind of weather-resistant coating preparation method of cable |
| CN113402916A (en) * | 2021-06-30 | 2021-09-17 | 谢立华 | Method for preparing special coating for gold steel porcelain coating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105385342A (en) | Aqueous weather-resisting polysiloxane coating | |
| CN101792285B (en) | Chromium-free environment-friendly epoxy anticorrosion primer | |
| CN104559734B (en) | Double-component chemical-reaction thixotropic polyurethane waterproof paint and preparation method thereof | |
| CN106753151A (en) | A kind of preventing explosion impact polyurea coating and preparation method thereof | |
| CN105462536A (en) | Waterborne silane modified polyurethane bonding agent and preparation method thereof | |
| CN101348562B (en) | Preparation of aliphatic alcohol polyether type aqueous amine epoxy hardener | |
| CN101250372A (en) | Metal inner surface anticorrosion paint and preparation method thereof | |
| CN105001417B (en) | A kind of modified polyamide structure rheological agent and its preparation method and application | |
| CN101985540A (en) | Preservative primer used for ocean steel structure spray polyurea | |
| CN110591505B (en) | Thick-coating type water-based epoxy zinc-rich anticorrosive paint and preparation method thereof | |
| CN104693994A (en) | Ultraviolet photocuring coating containing inorganic pigment and filler and preparation method thereof | |
| CN108129948A (en) | Carbon nanotubes watersoluble plumbago alkene epoxy zinc rich primer applied to container field | |
| CN104497926A (en) | Waterproof environment-friendly binder | |
| CN105176265A (en) | Steel plate pre-coating quick-drying anti-corrosive primer and preparation method thereof | |
| CN109593454A (en) | A kind of polyurethane coating and its preparation method and application | |
| CN113881318B (en) | Normal-temperature curing anti-icing coating and preparation method thereof | |
| CN103642381B (en) | For the polyurethane elastomer combined material and preparation method thereof of storage tank outer protective | |
| CN109401603A (en) | A kind of polyurea elastomer anti-corrosion material and its preparation and application | |
| CN109181488A (en) | A kind of preparation method of water-based epoxy zinc-rich primer | |
| CN106349831A (en) | Water-based-high-hydroxyl-fluorocarbon anti-corrosion coating and preparation method thereof | |
| CN109337546B (en) | High-performance ceramic composite coating and preparation method thereof | |
| CN105368241B (en) | A kind of anticorrosive paint composition containing self-emulsifying curing agent and preparation method thereof | |
| CN114410224A (en) | Epoxy grafted fluorocarbon resin based heavy-duty anti-corrosion primer-topcoat coating and preparation method thereof | |
| CN106433392A (en) | Water-based epoxy anticorrosion coating with high toughness and method for preparing water-based epoxy anticorrosion coating | |
| CN112876974B (en) | High-adhesion waterborne polyurethane coating and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160309 |